3 years ago

Can you help me find the combination to this problem

Mathematics

1 answer:

svet-max [94.6K]3 years ago

3 0

2,2,2,2 no joke. If you would like me to explain let me know

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Add 8/9 + 7/9 Express your answer in simplest form.

Evgesh-ka [11]

Answer:

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Step-by-step explanation:

8/9 + 7/9

Since the denominators are the same, we can add terms

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4 years ago

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Andreas93 [3]

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3 years ago

If a and b are two angles in standard position in Quadrant I, find cos(a+b) for the given function values. sin a=4/5 and cos b=5

vladimir1956 [14]

First let's find the angles a and b.

We have then:
sin a = 4/5
a = Asin (4/5)
a = 53.13 degrees.

cos b = 5/13
b = Acos5 / 13
b = 67.38 degrees.

We now calculate cos (a + b). To do this, we replace the previously found values:
cos ((53.13) + (67.38)) = - 0.507688738
Answer:
-0.507688738
Note: there is another way to solve the problem using trigonometric identities.

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4 years ago

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